CHAPTER TOOLS

Keywords:

cooperative movement;

martensitic transition;

rare earth aluminate;

crystallographic;

high temperature neutron

Summary

The Crystal Structure Analysis On The Low- And High-Temperature Phases Of Y4Al2O9 By High-Temperature Neutron Diffraction Revealed A Martensitic Phase Transformation At Around 1380°C. A Diffusionless Cooperative Movement Of Atoms At Transition Was Demonstrated.